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CVE-2023-26130

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when...

7.5 HighFix available

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors. Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

1.14%Up 1.1 points since May 30, 2023
90%50%10%1%

What each source reports

CVE List Score used 7.5

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors. Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Record
CVE-2023-26130
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-93, CWE-77
Updated
2026-11-02
EUVDEUVD-2023-29977 7.5

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors. Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Record
EUVD-2023-29977
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-599g-p68q-2rxv 7.5

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when...

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors.

Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Record
GHSA-599g-p68q-2rxv
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-74, CWE-77, CWE-93
Updated
2026-11-02
NVD 7.5

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors. Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Record
CVE-2023-26130
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-93, CWE-74, CWE-77
Updated
2026-11-02
OSV 7.5

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors. Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Record
CVE-2023-26130
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-93
Updated
2026-11-02
OSVDEBIAN-CVE-2023-26130 8.8

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors. Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Record
DEBIAN-CVE-2023-26130
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2023-1364 8.8

cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code

Security Fix(es):

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors.

Note: This issue is present due to an incomplete fix for CVE-2020-11709.(CVE-2023-26130)

Record
OESA-2023-1364
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVOESA-2023-1365 8.8

cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code

Security Fix(es):

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors.

Note: This issue is present due to an incomplete fix for CVE-2020-11709.(CVE-2023-26130)

Record
OESA-2023-1365
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2023-26130 7.5

Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors. Note: This issue is present due to an incomplete fix for CVE-2020-11709.

Record
UBUNTU-CVE-2023-26130
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
cpp-httplib
Debian:12
 before 0.11.4+ds-1+deb12u1, plus listed versions
0.11.4+ds-1
0.11.4+ds-1+deb12u1
cpp-httplib
Debian:13
 before 0.11.4+ds-2
0.11.4+ds-2
cpp-httplib
Debian:14
 before 0.11.4+ds-2
0.11.4+ds-2
cpp-httplib
openEuler:22.03-LTS-SP1
 before 0.12.4-1.oe2203sp1
0.12.4-1.oe2203sp1
cpp-httplib
openEuler:22.03-LTS
 before 0.12.4-1.oe2203
0.12.4-1.oe2203
cpp-httplib
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
0.9.9+ds-10.9.10+ds-10.10.1+ds-10.10.2+ds-10.10.3+ds-10.10.3+ds-1ubuntu0.1~esm10.10.3+ds-1ubuntu0.1~esm2
 None known

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-26130 is a high vulnerability (CVSS 7.5) in Cpp-httplib Project Cpp-httplib, published May 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. Fixed in cpp-httplib 0.11.4+ds-1+deb12u1.

References

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